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Re: Ploting integral curves

  • To: mathgroup at smc.vnet.net
  • Subject: [mg90020] Re: [mg89960] Ploting integral curves
  • From: Bob Hanlon <hanlonr at cox.net>
  • Date: Thu, 26 Jun 2008 04:45:23 -0400 (EDT)
  • Reply-to: hanlonr at cox.net

soln = y[x] /. DSolve[4 x^2 + 2 y[x] y'[x] == 0, y[x], x]

{(-Sqrt[2/3])*Sqrt[3*C[1] - 2*x^3], 
   Sqrt[2/3]*Sqrt[3*C[1] - 2*x^3]}

Plot[soln /. C[1] -> 10, {x, -5, 3}]


Bob Hanlon

---- noxon <nikoi8888 at gmail.com> wrote: 
> if anybody can give me some examples of ploting some integral curves, i
> would be very gracious... for example: 4x^2+2yy'=0   ....how can i plot
> that, i've tried everything but there is no curve....
> 
> 
> 



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